1224778030 has 48 divisors (see below), whose sum is σ = 2624220720. Its totient is φ = 410151168.

The previous prime is 1224778021. The next prime is 1224778091. The reversal of 1224778030 is 308774221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7995 + ... + 50134.

It is an arithmetic number, because the mean of its divisors is an integer number (54671265).

Almost surely, 2^1224778030 is an apocalyptic number.

1224778030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1224778030 is an abundant number, since it is smaller than the sum of its proper divisors (1399442690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1224778030 is a wasteful number, since it uses less digits than its factorization.

1224778030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58193 (or 58186 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 1224778030 is about 34996.8288563407. The cubic root of 1224778030 is about 1069.9228494174.

The spelling of 1224778030 in words is "one billion, two hundred twenty-four million, seven hundred seventy-eight thousand, thirty".